In some examples, an antenna system includes a source antenna and a frequency selective surface (FSS) comprising a first section including a first set of horizontally oriented unit cells, a second section including a second set of horizontally oriented unit cells, and a third section between the first section and the second section, the third section including a set of vertically oriented unit cells, wherein the first section is substantially square in shape, and wherein the second section is substantially square in shape. The source antenna is configured to emit one or more electromagnetic signals through the FSS, wherein the FSS causes the one or more signals to form at least a first beam corresponding to the first section, and wherein the FSS causes the one or more signals to form at least a second beam corresponding to the second section.

A mobile device includes a metal mechanism element, a dielectric substrate, a ground plane, a parasitic radiation element, and a feeding radiation element. A connection end of the parasitic radiation element is coupled to the ground plane. The parasitic radiation element includes a first widening portion, which is positioned at a bend of the parasitic radiation element. The parasitic radiation element has a vertical projection on the metal mechanism element. The vertical projection at least partially overlaps a first closed end of the slot. The feeding radiation element is disposed between the parasitic radiation element and the ground plane. The dielectric substrate is adjacent to the metal mechanism element. The parasitic radiation element and the feeding radiation element are disposed on the dielectric substrate. An antenna structure is formed by the parasitic radiation element, the feeding radiation element, and the slot of the metal mechanism element.

Aspects described herein include methods and devices for radar integration with a mmW communication module. In some aspects, an apparatus is provided that includes a millimeter wave (mmW) printed circuit board (PCB), with first and second mmW elements, and a radar antenna. The first mmW element is coupled to a first side of the mmW PCB, where the first mmW element is configured for wireless mmW communications at frequencies above approximately 24 gigahertz (GHz). A second mmW element coupled to the first side of the mmW PCB, where the second mmW element is positioned adjacent to the first mmW element and is separated from the first mmW element by a gap spacing. A radar antenna is disposed in the mmW PCB and aligned with the gap spacing between the first mmW element and the second mmW element.

Examples of antennas to reduce specific absorption rate (SAR) are described herein. In some examples, an antenna may include a metal structure with an open slot and a closed slot. A first radiator trace may be positioned to overlap a portion of the open slot. A second radiator trace may be positioned to overlap a portion of the closed slot. A matching network may pass a low frequency band to the first radiator trace and may pass a high frequency band to the second radiator trace.

A patch antenna intended to equip a spacecraft, the antenna comprising a dielectric substrate, a radiating antenna element present on the dielectric substrate, the radiating antenna element having a center of symmetry and an area devoid of material, the center of symmetry being present in the area devoid of material, and a protective layer covering the radiating antenna element.

A reflector structure is configured to connect an antenna. The antenna has an excitation source. The reflector structure includes a metal substrate, at least one first flat plate and a second flat plate. The metal substrate is configured to reflect the radiation of the antenna. The at least one first flat plate is disposed on the metal substrate. The second flat plate is floated to the metal substrate along a virtual normal and completely separated from the at least one first flat plate to form a closed slot. A cavity is formed by the metal substrate, the at least one first flat plate and the second flat plate and communicated with the closed slot. The excitation source is projected onto a plane to form an excitation source region. The excitation source region is located in the second flat plate.

An omnidirectional vertically polarized antenna. A number of antenna elements are each fabricated on a backing, such as a printed circuit board. The front of each antenna element has conductive strips and slots, arranged in an alternating pattern. The back of each antenna element has an antenna feed circuit. An electrically absorptive layer is attached to the back of each antenna element. The antenna elements are assembled together in a nonconductive housing with circumferentially arranged compartments that receive the antenna elements.

An antenna device including a transparent antenna element that can be provided at a position visible from outside of a transparent cover of an electronic apparatus is provided.

An antenna device includes a flexible substrate that is transparent and that is to be provided on an inner surface side opposite to an outer surface of a transparent cover, made of glass or resin, of an electronic apparatus, and an antenna element that is transparent and that is to be provided at a position, of the flexible substrate, that is visible from outside of the transparent cover, the antenna element having a directivity oriented toward an outside of the electronic apparatus.

Housings for electronic devices are disclosed, as well as electronic devices including the housings. A wireless communication system of the electronic device may include an antenna element within a display assembly. The antenna element within the display assembly may be operatively coupled to a conductive upper portion of the housing. The housing may define a slot between the conductive upper portion and a conductive lower portion of the housing, and a dielectric material may be positioned within the slot.

Monodirectional antennas may be arranged to radiate in a near omni-directional pattern. By incorporating switches into the antenna arrangement, the antennas can be controlled to selectively radiate from a common radiofrequency feed. These arrangements may be packaged in a housing, which may aid both in antenna performance and in antenna installation. According to another aspect of the disclosure, housings may include a plurality of antennas, and one or more procedures may be implemented to determine a codebook to radiate from the circular arrangement according to various beam constrains.